124 lines
4.0 KiB
Markdown
124 lines
4.0 KiB
Markdown
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# ArtLegend Roadmap
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---
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## Phase 0 — Foundation (current)
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**Goal:** Hybrid architecture running end-to-end. Compose hub launches LibGDX game screen with stylus data flowing.
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### Milestones
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- [x] LibGDX scaffold (core + android modules)
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- [x] `shared/` module with `ModuleType` enum
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- [x] `GameHost` routing by `ModuleType`
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- [x] `StylusInputBridge` (AtomicReference, thread-safe)
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- [x] `StylusFrame` data class (x, y, pressure, tiltRad, orientRad, isStylus)
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- [x] `MainActivity` + Compose navigation (Hub → Detail → Game)
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- [x] `GameActivity` reads `ModuleType` from Intent, posts stylus frames
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- [x] `LineCorridorScreen` renders guided corridor + real-time stroke
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- [x] Score calculation for Line Corridor (straightness + pressure consistency)
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- [x] Score displayed on return to ModuleDetail (ScoreCard)
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---
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## Phase 1 — Line Corridor MVP
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**Goal:** Shippable first module. Players can train, score, and see improvement over sessions.
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### Milestones
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- [ ] Corridor generation (random angle, configurable width)
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- [ ] Stroke capture and rendering (LibGDX ShapeRenderer)
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- [ ] Straightness score algorithm (RMS deviation from ideal line)
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- [ ] Pressure consistency score (variance from target pressure profile)
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- [ ] Difficulty progression (narrowing corridor, longer strokes)
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- [ ] Session summary screen (score + streak)
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- [ ] Local persistence (Room or DataStore) for scores per session
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- [ ] Progress screen populated with real data (last 7 sessions graph)
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---
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## Phase 2 — Pressure Ramp Module
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**Goal:** Second module ships. Shared infrastructure for module scoring is solid.
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### Milestones
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- [ ] Pressure Ramp screen: draw a stroke matching a target pressure curve
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- [ ] Pressure curve rendering (target vs actual overlay)
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- [ ] DTW (Dynamic Time Warping) score for pressure curve matching
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- [ ] Unified `ModuleScore` data model shared across modules
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- [ ] Difficulty tiers (linear ramp → S-curve → arbitrary profile)
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---
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## Phase 3 — Curve Sculptor + Vector Snap
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**Goal:** Full 4-module training suite. App is content-complete for v1.0.
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### Milestones
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- [ ] Curve Sculptor: hit bezier control points with stylus
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- [ ] Vector Snap: tap precise endpoints within tolerance radius
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- [ ] Per-module difficulty levels stored in settings
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- [ ] Global XP system across all modules
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---
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## Phase 4 — Monetization Ready
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**Goal:** In-app purchase infrastructure. Free tier vs paid modules enforced.
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### Milestones
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- [ ] Google Play Billing integration
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- [ ] Entitlement check before launching `GameActivity`
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- [ ] "Line Corridor" free; others gated behind Skill Pack purchase
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- [ ] Pro subscription tier (all modules + cloud sync)
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- [ ] Settings screen: manage subscription, restore purchases
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---
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## Phase 5 — Cloud + Social
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**Goal:** Cross-device sync and community features.
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### Milestones
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- [ ] Firebase Auth (Google sign-in)
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- [ ] Firestore sync for scores and progress
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- [ ] Global leaderboard per module
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- [ ] Weekly challenge mode (fixed seed corridor, global rank)
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- [ ] Share score card (image export)
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---
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## Per-Module Milestones Detail
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### Line Corridor
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| Milestone | Description |
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|-----------|-------------|
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| Skeleton | Screen renders, bridge connected |
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| Corridor | Guided corridor drawn, stroke captured |
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| Score | Straightness + pressure score calculated |
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| Persist | Scores saved locally |
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| Polish | Animations, streak counter, SFX |
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### Pressure Ramp
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| Milestone | Description |
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|-----------|-------------|
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| Skeleton | Screen renders |
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| Curve target | Target pressure profile displayed |
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| Score | DTW score vs target |
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| Difficulty | 3 difficulty tiers |
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### Curve Sculptor
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| Milestone | Description |
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|-----------|-------------|
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| Skeleton | Screen renders |
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| Bezier display | Target bezier curve shown |
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| Stroke eval | How close did the stroke follow the curve? |
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| Control points | Optional control point hints |
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### Vector Snap
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| Milestone | Description |
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|-----------|-------------|
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| Skeleton | Screen renders |
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| Target points | Random endpoint targets displayed |
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| Hit detection | Distance from target scored |
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| Speed bonus | Faster accurate taps = higher score |
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